Martinstein
Martinstein    | |
|---|---|
| Coordinates: 49°48′14″N 7°32′28″E / 49.80389°N 7.54111°E | |
| Country | Germany | 
| State | Rhineland-Palatinate | 
| District | Bad Kreuznach | 
| Municipal assoc. | Bad Sobernheim | 
| Government | |
| • Mayor (2019–24) | Paul-Walter Bock | 
| Area | |
 • Total  | 0.39 km2 (0.15 sq mi) | 
| Elevation | 190 m (620 ft) | 
| Population  (2023-12-31)  | |
 • Total  | 261 | 
| • Density | 670/km2 (1,700/sq mi) | 
| Time zone | UTC+01:00 (CET) | 
| • Summer (DST) | UTC+02:00 (CEST) | 
| Postal codes | 55627  | 
| Dialling codes | 06754 | 
| Vehicle registration | KH | 
Martinstein is an Ortsgemeinde – a municipality belonging to a Verbandsgemeinde, a kind of collective municipality – in the Bad Kreuznach district in Rhineland-Palatinate, Germany. It belongs to the Verbandsgemeinde of Bad Sobernheim, whose seat is in the like-named town. Martinstein is a state-recognized tourism resort, and with an area of 39 ha is Germany's smallest municipality by land area.